:root {
  --bg-top: #eef4ff;
  --bg-bottom: #dfeeff;
  --ink: #10223a;
  --muted: #334a68;
  --card: rgba(255, 255, 255, 0.84);
  --card-border: rgba(36, 68, 108, 0.15);
  --accent: #1f5fa8;
  --shadow: 0 20px 45px rgba(20, 41, 72, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: #d9ebff;
  background-image:
    radial-gradient(120% 55% at 50% -10%, rgba(108, 169, 240, 0.45) 0%, transparent 70%),
    radial-gradient(120% 55% at 50% 8%, rgba(95, 157, 232, 0.28) 0%, transparent 70%),
    radial-gradient(120% 55% at 50% 26%, rgba(83, 146, 224, 0.24) 0%, transparent 70%),
    radial-gradient(120% 55% at 50% 44%, rgba(72, 135, 215, 0.22) 0%, transparent 70%),
    radial-gradient(120% 55% at 50% 62%, rgba(68, 128, 208, 0.2) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  font-family: "Space Grotesk", sans-serif;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.09) 1px, transparent 0);
  background-size: 4px 4px;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 20px 40px;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-block;
  margin: 0;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 1.02rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #1f4f80;
  background: rgba(58, 126, 201, 0.18);
  border: 1.5px solid rgba(58, 126, 201, 0.4);
}

.top-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.paper-link {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  background: linear-gradient(135deg, #2c6ab0, #1c569a);
  border: 1.5px solid rgba(23, 73, 132, 0.5);
  text-decoration: none;
  border-bottom: none;
}

.paper-link:hover {
  filter: brightness(1.06);
  border-bottom: none;
}

.award-badge {
  margin: 0;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 1.02rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #6f4e0d;
  background: rgba(255, 209, 102, 0.3);
  border: 1.5px solid rgba(210, 155, 39, 0.5);
}

h1 {
  margin: 16px 0 26px;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 4.8vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.authors-card {
  margin: -6px 0 24px;
}

.authors-line {
  margin: 0;
  text-align: left;
  font-size: clamp(0.92rem, 1.35vw, 1.15rem);
  line-height: 1.6;
}

.author {
  color: #31485f;
  text-decoration: none;
}

.authors-line sup,
.equal-note sup {
  font-size: 0.65em;
}

.equal-note {
  margin: 8px 0 0;
  text-align: left;
  font-size: clamp(0.86rem, 1.2vw, 0.98rem);
  color: #5f6f83;
}

.affiliations-note {
  margin: 6px 0 0;
  text-align: left;
  font-size: clamp(0.86rem, 1.2vw, 0.98rem);
  color: #5f6f83;
}

.bibtex-block {
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(36, 68, 108, 0.18);
  border-radius: 10px;
  background: rgba(244, 249, 255, 0.95);
  color: #18355b;
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-width: 100%;
  overflow-x: hidden;
}

.card {
  backdrop-filter: blur(5px);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 20px;
}

h2 {
  margin: 0 0 14px;
  font-family: "Fraunces", serif;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
}

p {
  margin: 0 0 14px;
  line-height: 1.65;
  color: var(--muted);
  font-size: 1.02rem;
}

p:last-child {
  margin-bottom: 0;
}

.figure-card {
  padding-top: 20px;
}

.figure-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.caption {
  margin: 0;
  font-size: 0.92rem;
  color: #4f6482;
}

.figure {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(22, 33, 29, 0.1);
  background: #f6faf7;
}

.signup-card p {
  margin-bottom: 16px;
}

.interest-form {
  display: grid;
  gap: 10px;
}

.interest-form label {
  font-size: 0.92rem;
  font-weight: 600;
  color: #233f60;
}

.interest-form input,
.interest-form textarea {
  width: 100%;
  border: 1px solid rgba(55, 95, 145, 0.25);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: #10223a;
  background: rgba(255, 255, 255, 0.94);
}

.interest-form input:focus,
.interest-form textarea:focus {
  outline: 2px solid rgba(31, 95, 168, 0.35);
  outline-offset: 1px;
}

.interest-form button {
  margin: 4px auto 0;
  width: fit-content;
  display: block;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, #2e6fb6, #1f5fa8);
  cursor: pointer;
}

.interest-form button:hover {
  filter: brightness(1.05);
}

.interest-form button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  filter: none;
}

.form-status {
  margin-top: 6px;
  min-height: 1.3em;
  font-size: 0.95rem;
  color: #1b5a3c;
}

footer {
  margin-top: 4px;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 122, 88, 0.3);
}

a:hover {
  border-bottom-color: rgba(31, 122, 88, 0.8);
}

@media (max-width: 760px) {
  .page {
    padding: 36px 14px 30px;
  }

  .card {
    padding: 18px;
    border-radius: 16px;
  }

  .figure-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .authors-card {
    margin-top: 2px;
  }
}